IVGCVSW-2056+IVGCVSW-2064 : move ClContextControl to the ClBackend

* add IBackendContext interface
* add ClBackendContext implementation

Change-Id: I13e4d12b73d4c7775069587675276f7cee7d630b
diff --git a/tests/InferenceModel.hpp b/tests/InferenceModel.hpp
index 9ca7dfd..5fefd05 100644
--- a/tests/InferenceModel.hpp
+++ b/tests/InferenceModel.hpp
@@ -14,7 +14,7 @@
 #include <armnnOnnxParser/IOnnxParser.hpp>
 #endif
 
-#include <backends/backendsCommon/BackendRegistry.hpp>
+#include <backendsCommon/BackendRegistry.hpp>
 
 #include <boost/exception/exception.hpp>
 #include <boost/exception/diagnostic_information.hpp>